Home / 28,758,716.28-43,138,960.11-12,576,337.80

Finding the Fourth Proportional to 28,758,716.28, 43,138,960.11 and 12,576,337.80

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Solution

The fourth proportional to 28,758,716.28, 43,138,960.11 and 12,576,337.80 is: 18,864,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,716.28 : 43,138,960.11 = 12,576,337.80 : x
  2. Step 2: Convert to fraction form
    28,758,716.28/43,138,960.11 = 12,576,337.80/x
  3. Step 3: Cross multiply
    28,758,716.28x = 43,138,960.11 × 12,576,337.80
  4. Step 4: Simplify right side
    28,758,716.28x = 542,530,134,684,085.19
  5. Step 5: Solve for x
    x = 542,530,134,684,085.19/28,758,716.28
  6. Step 6: Final answer
    x = 18,864,894.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.